C:\Users\Laycher>pip show requests
Name: requests
Version: 2.18.4
Summary: Python HTTP for Humans.
Home-page: http://python-requests.org
Author: Kenneth Reitz
Author-email: me@kennethreitz.org
License: Apache 2.0
Location: d:\program files\python3\lib\site-packages
Requires: chardet, urllib3, idna, certifi
Required-by:

certifi-2019.9.11-py2.py3-none-any.whl

chardet-3.0.4-py2.py3-none-any.whl

idna-2.8-py2.py3-none-any.whl

requests-2.22.0-py2.py3-none-any.whl

urllib3-1.25.6-py2.py3-none-any.whl

D:\软件>pip install certifi-2019.9.11-py2.py3-none-any.whl
Processing d:\软件\certifi-2019.9.11-py2.py3-none-any.whl
Installing collected packages: certifi
Successfully installed certifi-2019.9.11
D:\软件>pip install chardet-3.0.4-py2.py3-none-any.whl
Processing d:\软件\chardet-3.0.4-py2.py3-none-any.whl
Installing collected packages: chardet
Successfully installed chardet-3.0.4
D:\软件>pip install idna-2.8-py2.py3-none-any.whl
Processing d:\软件\idna-2.8-py2.py3-none-any.whl
Installing collected packages: idna
Successfully installed idna-2.8
D:\软件>pip install urllib3-1.25.6-py2.py3-none-any.whl
Processing d:\软件\urllib3-1.25.6-py2.py3-none-any.whl
Installing collected packages: urllib3
Successfully installed urllib3-1.25.6
D:\软件>pip install requests-2.22.0-py2.py3-none-any.whl
Processing d:\软件\requests-2.22.0-py2.py3-none-any.whl
Requirement already satisfied: idna in c:\users\administrator\appdata\local\prog
rams\python\python37\lib\site-packages (from requests==2.22.0) (2.8)
Requirement already satisfied: chardet in c:\users\administrator\appdata\local\p
rograms\python\python37\lib\site-packages (from requests==2.22.0) (3.0.4)
Requirement already satisfied: urllib3 in c:\users\administrator\appdata\local\p
rograms\python\python37\lib\site-packages (from requests==2.22.0) (1.25.6)
Requirement already satisfied: certifi in c:\users\administrator\appdata\local\p
rograms\python\python37\lib\site-packages (from requests==2.22.0) (2019.9.11)
Installing collected packages: requests
Successfully installed requests-2.22.0